./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdf87a043cfa0322a32123bf9fd837be20929f79 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:00:17,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:00:17,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:00:17,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:00:17,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:00:17,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:00:17,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:00:17,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:00:17,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:00:17,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:00:17,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:00:17,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:00:17,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:00:17,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:00:17,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:00:17,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:00:17,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:00:17,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:00:17,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:00:17,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:00:17,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:00:17,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:00:17,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:00:17,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:00:17,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:00:17,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:00:17,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:00:17,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:00:17,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:00:17,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:00:17,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:00:17,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:00:17,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:00:17,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:00:17,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:00:17,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:00:17,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:00:17,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:00:17,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:00:17,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:00:17,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:00:17,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:00:17,438 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:00:17,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:00:17,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:00:17,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:00:17,439 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:00:17,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:00:17,440 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:00:17,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:00:17,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:00:17,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:00:17,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:00:17,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:00:17,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:00:17,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:00:17,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:00:17,441 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:00:17,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:00:17,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:00:17,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:00:17,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:00:17,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:00:17,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:00:17,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:00:17,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:00:17,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:00:17,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:00:17,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:00:17,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:00:17,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:00:17,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdf87a043cfa0322a32123bf9fd837be20929f79 [2019-12-07 14:00:17,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:00:17,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:00:17,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:00:17,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:00:17,554 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:00:17,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2019-12-07 14:00:17,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/data/15ead6df4/15e07a8adaf54211a96ae91d74b4f573/FLAG56d72e551 [2019-12-07 14:00:18,040 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:00:18,041 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2019-12-07 14:00:18,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/data/15ead6df4/15e07a8adaf54211a96ae91d74b4f573/FLAG56d72e551 [2019-12-07 14:00:18,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/data/15ead6df4/15e07a8adaf54211a96ae91d74b4f573 [2019-12-07 14:00:18,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:00:18,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:00:18,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:00:18,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:00:18,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:00:18,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18, skipping insertion in model container [2019-12-07 14:00:18,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:00:18,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:00:18,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:00:18,311 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:00:18,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:00:18,380 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:00:18,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18 WrapperNode [2019-12-07 14:00:18,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:00:18,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:00:18,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:00:18,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:00:18,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:00:18,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:00:18,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:00:18,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:00:18,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... [2019-12-07 14:00:18,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:00:18,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:00:18,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:00:18,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:00:18,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:00:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:00:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:00:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:00:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:00:18,875 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:00:18,875 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 14:00:18,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:00:18 BoogieIcfgContainer [2019-12-07 14:00:18,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:00:18,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:00:18,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:00:18,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:00:18,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:00:18" (1/3) ... [2019-12-07 14:00:18,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2a947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:00:18, skipping insertion in model container [2019-12-07 14:00:18,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:18" (2/3) ... [2019-12-07 14:00:18,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2a947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:00:18, skipping insertion in model container [2019-12-07 14:00:18,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:00:18" (3/3) ... [2019-12-07 14:00:18,881 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2019-12-07 14:00:18,889 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:00:18,893 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:00:18,901 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:00:18,918 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:00:18,918 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:00:18,918 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:00:18,918 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:00:18,918 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:00:18,919 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:00:18,919 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:00:18,919 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:00:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 14:00:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:00:18,936 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:00:18,936 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:18,936 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:00:18,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:18,940 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-12-07 14:00:18,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:18,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047503778] [2019-12-07 14:00:18,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:19,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047503778] [2019-12-07 14:00:19,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:00:19,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:00:19,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590280386] [2019-12-07 14:00:19,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:00:19,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:00:19,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:00:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:00:19,130 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 14:00:19,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:00:19,147 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 14:00:19,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:00:19,148 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:00:19,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:00:19,155 INFO L225 Difference]: With dead ends: 148 [2019-12-07 14:00:19,155 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 14:00:19,157 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:00:19,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 14:00:19,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 14:00:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 14:00:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 14:00:19,184 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-12-07 14:00:19,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:00:19,184 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 14:00:19,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:00:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 14:00:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:00:19,185 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:00:19,185 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:19,185 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:00:19,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:19,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-12-07 14:00:19,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:19,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015232393] [2019-12-07 14:00:19,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:19,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015232393] [2019-12-07 14:00:19,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:00:19,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:00:19,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261330181] [2019-12-07 14:00:19,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:00:19,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:00:19,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:00:19,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:00:19,242 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-12-07 14:00:19,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:00:19,249 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 14:00:19,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:00:19,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 14:00:19,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:00:19,250 INFO L225 Difference]: With dead ends: 73 [2019-12-07 14:00:19,251 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 14:00:19,251 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:00:19,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 14:00:19,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 14:00:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 14:00:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 14:00:19,255 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-12-07 14:00:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:00:19,255 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 14:00:19,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:00:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 14:00:19,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:00:19,256 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:00:19,256 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:19,256 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:00:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:19,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-12-07 14:00:19,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:19,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740948916] [2019-12-07 14:00:19,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:19,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740948916] [2019-12-07 14:00:19,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:00:19,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:00:19,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872350845] [2019-12-07 14:00:19,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:00:19,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:00:19,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:00:19,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:00:19,319 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-12-07 14:00:19,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:00:19,365 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-12-07 14:00:19,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:00:19,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-07 14:00:19,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:00:19,367 INFO L225 Difference]: With dead ends: 87 [2019-12-07 14:00:19,367 INFO L226 Difference]: Without dead ends: 58 [2019-12-07 14:00:19,368 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:00:19,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-07 14:00:19,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2019-12-07 14:00:19,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 14:00:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-12-07 14:00:19,376 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-12-07 14:00:19,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:00:19,376 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-12-07 14:00:19,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:00:19,377 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-12-07 14:00:19,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 14:00:19,377 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:00:19,377 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:19,378 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:00:19,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:19,378 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-12-07 14:00:19,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:19,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409028367] [2019-12-07 14:00:19,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:19,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409028367] [2019-12-07 14:00:19,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:00:19,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:00:19,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614125198] [2019-12-07 14:00:19,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:00:19,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:00:19,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:00:19,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:00:19,423 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2019-12-07 14:00:19,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:00:19,485 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2019-12-07 14:00:19,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:00:19,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 14:00:19,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:00:19,487 INFO L225 Difference]: With dead ends: 256 [2019-12-07 14:00:19,487 INFO L226 Difference]: Without dead ends: 208 [2019-12-07 14:00:19,488 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:00:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-12-07 14:00:19,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2019-12-07 14:00:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-07 14:00:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2019-12-07 14:00:19,499 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2019-12-07 14:00:19,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:00:19,499 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2019-12-07 14:00:19,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:00:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2019-12-07 14:00:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:00:19,500 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:00:19,501 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:19,501 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:00:19,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:19,501 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2019-12-07 14:00:19,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:19,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211097555] [2019-12-07 14:00:19,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:19,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211097555] [2019-12-07 14:00:19,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:00:19,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:00:19,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741453803] [2019-12-07 14:00:19,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:00:19,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:00:19,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:00:19,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:00:19,539 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand 5 states. [2019-12-07 14:00:19,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:00:19,583 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2019-12-07 14:00:19,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:00:19,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 14:00:19,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:00:19,584 INFO L225 Difference]: With dead ends: 286 [2019-12-07 14:00:19,584 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:00:19,586 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:00:19,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:00:19,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:00:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:00:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:00:19,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 14:00:19,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:00:19,587 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:00:19,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:00:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:00:19,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:00:19,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:00:19,833 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:00:19,833 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:00:19,833 INFO L246 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2019-12-07 14:00:19,833 INFO L242 CegarLoopResult]: At program point L185-1(lines 185 191) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,833 INFO L246 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-12-07 14:00:19,834 INFO L242 CegarLoopResult]: At program point L203-1(lines 239 245) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,834 INFO L242 CegarLoopResult]: At program point L451(lines 446 454) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,834 INFO L242 CegarLoopResult]: At program point L451-1(lines 446 454) the Hoare annotation is: false [2019-12-07 14:00:19,834 INFO L242 CegarLoopResult]: At program point L451-2(lines 446 454) the Hoare annotation is: false [2019-12-07 14:00:19,834 INFO L246 CegarLoopResult]: For program point L271(lines 271 288) no Hoare annotation was computed. [2019-12-07 14:00:19,834 INFO L246 CegarLoopResult]: For program point L271-1(lines 271 288) no Hoare annotation was computed. [2019-12-07 14:00:19,834 INFO L246 CegarLoopResult]: For program point L271-2(lines 271 288) no Hoare annotation was computed. [2019-12-07 14:00:19,835 INFO L246 CegarLoopResult]: For program point L139(lines 139 146) no Hoare annotation was computed. [2019-12-07 14:00:19,835 INFO L249 CegarLoopResult]: At program point L139-1(lines 139 146) the Hoare annotation is: true [2019-12-07 14:00:19,835 INFO L246 CegarLoopResult]: For program point L387(lines 387 393) no Hoare annotation was computed. [2019-12-07 14:00:19,835 INFO L242 CegarLoopResult]: At program point L387-1(lines 387 393) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,835 INFO L242 CegarLoopResult]: At program point L239(lines 238 257) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,835 INFO L246 CegarLoopResult]: For program point L239-1(lines 239 245) no Hoare annotation was computed. [2019-12-07 14:00:19,835 INFO L242 CegarLoopResult]: At program point L239-2(lines 238 257) the Hoare annotation is: false [2019-12-07 14:00:19,835 INFO L242 CegarLoopResult]: At program point L239-3(lines 238 257) the Hoare annotation is: false [2019-12-07 14:00:19,836 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:00:19,836 INFO L246 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2019-12-07 14:00:19,836 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:00:19,836 INFO L242 CegarLoopResult]: At program point L885(lines 1 922) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 14:00:19,836 INFO L246 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-12-07 14:00:19,836 INFO L246 CegarLoopResult]: For program point L373-2(lines 373 377) no Hoare annotation was computed. [2019-12-07 14:00:19,836 INFO L246 CegarLoopResult]: For program point L373-3(lines 373 377) no Hoare annotation was computed. [2019-12-07 14:00:19,837 INFO L246 CegarLoopResult]: For program point L373-5(lines 373 377) no Hoare annotation was computed. [2019-12-07 14:00:19,837 INFO L246 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-12-07 14:00:19,837 INFO L246 CegarLoopResult]: For program point L373-6(lines 373 377) no Hoare annotation was computed. [2019-12-07 14:00:19,837 INFO L242 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,837 INFO L246 CegarLoopResult]: For program point L373-8(lines 373 377) no Hoare annotation was computed. [2019-12-07 14:00:19,837 INFO L242 CegarLoopResult]: At program point L324(lines 319 327) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,837 INFO L242 CegarLoopResult]: At program point L324-1(lines 319 327) the Hoare annotation is: false [2019-12-07 14:00:19,837 INFO L242 CegarLoopResult]: At program point L324-2(lines 319 327) the Hoare annotation is: false [2019-12-07 14:00:19,838 INFO L246 CegarLoopResult]: For program point L275(lines 275 283) no Hoare annotation was computed. [2019-12-07 14:00:19,838 INFO L246 CegarLoopResult]: For program point L275-1(lines 275 283) no Hoare annotation was computed. [2019-12-07 14:00:19,838 INFO L246 CegarLoopResult]: For program point L275-2(lines 275 283) no Hoare annotation was computed. [2019-12-07 14:00:19,838 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 14:00:19,838 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 14:00:19,838 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 14:00:19,838 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:00:19,839 INFO L242 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-12-07 14:00:19,839 INFO L246 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2019-12-07 14:00:19,839 INFO L242 CegarLoopResult]: At program point L112(lines 108 114) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 14:00:19,839 INFO L242 CegarLoopResult]: At program point L492(lines 487 495) the Hoare annotation is: false [2019-12-07 14:00:19,839 INFO L242 CegarLoopResult]: At program point L492-1(lines 487 495) the Hoare annotation is: false [2019-12-07 14:00:19,839 INFO L246 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2019-12-07 14:00:19,839 INFO L242 CegarLoopResult]: At program point L492-2(lines 487 495) the Hoare annotation is: false [2019-12-07 14:00:19,839 INFO L246 CegarLoopResult]: For program point L195(lines 195 210) no Hoare annotation was computed. [2019-12-07 14:00:19,839 INFO L246 CegarLoopResult]: For program point L906(lines 906 919) no Hoare annotation was computed. [2019-12-07 14:00:19,840 INFO L242 CegarLoopResult]: At program point L906-1(lines 1 922) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,840 INFO L246 CegarLoopResult]: For program point L906-2(lines 906 919) no Hoare annotation was computed. [2019-12-07 14:00:19,840 INFO L242 CegarLoopResult]: At program point L906-3(lines 1 922) the Hoare annotation is: false [2019-12-07 14:00:19,840 INFO L246 CegarLoopResult]: For program point L906-4(lines 906 919) no Hoare annotation was computed. [2019-12-07 14:00:19,840 INFO L242 CegarLoopResult]: At program point L906-5(lines 1 922) the Hoare annotation is: false [2019-12-07 14:00:19,840 INFO L242 CegarLoopResult]: At program point L246(lines 246 252) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:00:19,840 INFO L242 CegarLoopResult]: At program point L246-1(lines 246 252) the Hoare annotation is: false [2019-12-07 14:00:19,840 INFO L242 CegarLoopResult]: At program point L246-2(lines 246 252) the Hoare annotation is: false [2019-12-07 14:00:19,840 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 14:00:19,841 INFO L246 CegarLoopResult]: For program point L65-1(lines 239 245) no Hoare annotation was computed. [2019-12-07 14:00:19,841 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:00:19,841 INFO L242 CegarLoopResult]: At program point L379(lines 364 382) the Hoare annotation is: false [2019-12-07 14:00:19,841 INFO L242 CegarLoopResult]: At program point L379-1(lines 364 382) the Hoare annotation is: false [2019-12-07 14:00:19,841 INFO L242 CegarLoopResult]: At program point L379-2(lines 364 382) the Hoare annotation is: false [2019-12-07 14:00:19,841 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:00:19,841 INFO L249 CegarLoopResult]: At program point L148(lines 129 151) the Hoare annotation is: true [2019-12-07 14:00:19,841 INFO L242 CegarLoopResult]: At program point L215(lines 164 216) the Hoare annotation is: false [2019-12-07 14:00:19,841 INFO L246 CegarLoopResult]: For program point L166(lines 165 214) no Hoare annotation was computed. [2019-12-07 14:00:19,842 INFO L246 CegarLoopResult]: For program point L414(lines 414 418) no Hoare annotation was computed. [2019-12-07 14:00:19,842 INFO L242 CegarLoopResult]: At program point L893(lines 888 896) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 14:00:19,842 INFO L246 CegarLoopResult]: For program point L414-3(lines 414 418) no Hoare annotation was computed. [2019-12-07 14:00:19,842 INFO L246 CegarLoopResult]: For program point L414-6(lines 414 418) no Hoare annotation was computed. [2019-12-07 14:00:19,842 INFO L246 CegarLoopResult]: For program point L910(lines 910 916) no Hoare annotation was computed. [2019-12-07 14:00:19,842 INFO L246 CegarLoopResult]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2019-12-07 14:00:19,842 INFO L246 CegarLoopResult]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2019-12-07 14:00:19,842 INFO L246 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-12-07 14:00:19,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:00:19 BoogieIcfgContainer [2019-12-07 14:00:19,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:00:19,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:00:19,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:00:19,857 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:00:19,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:00:18" (3/4) ... [2019-12-07 14:00:19,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:00:19,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:00:19,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:00:19,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:00:19,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:00:19,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:00:19,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:00:19,874 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:00:19,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 14:00:19,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 14:00:19,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:00:19,931 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a412a01a-923c-4d84-aba4-f92cc48e5b27/bin/uautomizer/witness.graphml [2019-12-07 14:00:19,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:00:19,932 INFO L168 Benchmark]: Toolchain (without parser) took 1870.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 948.9 MB in the beginning and 902.2 MB in the end (delta: 46.6 MB). Peak memory consumption was 183.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:19,932 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:00:19,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:19,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:19,933 INFO L168 Benchmark]: Boogie Preprocessor took 25.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:00:19,933 INFO L168 Benchmark]: RCFGBuilder took 428.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:19,934 INFO L168 Benchmark]: TraceAbstraction took 979.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.0 MB in the end (delta: 146.8 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:19,934 INFO L168 Benchmark]: Witness Printer took 74.14 ms. Allocated memory is still 1.2 GB. Free memory was 913.0 MB in the beginning and 902.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:19,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 428.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 979.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.0 MB in the end (delta: 146.8 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. * Witness Printer took 74.14 ms. Allocated memory is still 1.2 GB. Free memory was 913.0 MB in the beginning and 902.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 331 SDtfs, 509 SDslu, 328 SDs, 0 SdLazy, 49 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3991 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 141 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...